It Seems That I've Slipped Into a Different World. Also, My Gender Has Changed. - Chapter 20: Decisions Completed, Home Schooling

A mysterious black card issues a different amount of money each week and Shi Lei must spend it all within a week’s time. Otherwise, he will be welcomed by the black card’s punishments.

“Spending money is really tiring.” —- Shi Lei said.

“I will set a small goal first, such as spend a hundred million……” —- Shi Lei said in self-satisfaction.

“The one thing I regret the most in life is having infinite money to burn without a choice.” —- Shi Lei finally said.

- Description from Novelupdates

Yesterday, she was a career woman struggling in the corporate world, but in the blink of an eye, she had become the legitimate granddaughter of Duke An's Mansion, the first wife of the Imperial Top Scholar...

A letter to break off the engagement leads Ling Family in Tangyang to endless doom. And he, Ling Zhang, is tortured to death after his legs are cruelly broken.

Turned into a vampire with no political backing, wealth, or power, Dylan immediately tries to become the strongest there is. Facing numerous dungeon breaks and a coming invasion of unknown origin, Dylan must do everything he can to fight back. In the process, Dylan tries to make the world a better place in his way, by taking control of as much land and women as he can. Watch as Dylan amasses power and influence among monsters and humans and rises to the top in more ways than one.